. >> reporter: president obama's last day here took him to bethlehem, the biblical birthplace of jesus. a highlight of this trip that has strengthened bonds with israelis but frustrated palestinians. they've vented their anger with protests, with those posters, fueled, in large part, by obama not condemning israel's settlements, the building of houses on land long held by palestinians. families like the gharibs. today, their house is an island, this is how over the past 30 years, a nearby israeli settlement has grown, swallowing up almost half their land. the rest cut off by a security fence. "it's like we're in a prison," says mahmoud gharib. "we have cameras, gates, fences and walls." so, why do you stay? "this is my homeland. this is my house," he says. "the israelis are stealing the land day and night." reaching parts of their land requires a special permit. they're just explaining that this whole hillside below the settlement is their land and it's full of olive trees and in order to get over there to pick the olives, they need permission from the israeli military to get through t